Olampioid tests

O is rational number
Yes
No
. Using appropriate properties, find:
(i) -2/3 × 3/5 + 5/2 – 3/5 × 1/6
2
7
58
8
Solve the following equations.
x – 2 = 7
92
2
8
9
(ii) The numbers ______and _______are their own reciprocals
1 -1
2 -5
Only 2
2 - 6
What is commutative property
(ii) The numbers ______and _______are their own reciprocals
1 -1
2 -6
3 -3
Only 2
Zero has _______reciprocal.
No
2/0
0/2
0/2
Reciprocal of 1/x, where x ≠ 0 is _________.
X
55
6x
2y
The reciprocal of a positive rational number is _________.
Positive
Negative
Integers
None of these
The rational number that does not have a reciprocal.
7
0
8
2
Find the ratio of:
₹ 5 to 50 paise
10:1
78:2
19:1
6:1
The number z multiplied by itself.
Z⁴
Z⅔
Z
Classify into monomials, binomials and trinomials.
4y – 7z
Binomial
Monomial
Trinomial
None of these
Add:
(i) 3mn, – 5mn, 8mn, – 4mn
= 2mn
7mn
3tn
None of these
The length and breadth of a rectangular piece of land are 500 m and 300 m, respectively. Find
(i) Its area (ii) the cost of the land, if 1 m2 of the land costs ₹ 10,000.
A)150000 m2 b)= ₹ 1500000000
A)454 b)908765
 
Find the area of a square park whose perimeter is 320m
234m²
6400 m²
2345m⅔
34m³
Find the value of x
2x-12=4
7
8
10
4
2x+98
__________is variable and ____________is constant
X;98
45;67
X;56
X;67
What is natural numbers
Those starts from 1
Those starts from 0
What is whole numbers
Those starts from 1
Those starts from 0
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